From 6afb12cedf7935350e2e2ab8492549efe2bdd918 Mon Sep 17 00:00:00 2001
From: VladSemenyuk <vsemenyuk@luxoft.com>
Date: Fri, 20 May 2022 12:36:31 +0300
Subject: [PATCH] Prevent poll for closed socket

---
 .../src/transport_adapter/threaded_socket_connection.cc       | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/components/transport_manager/src/transport_adapter/threaded_socket_connection.cc b/src/components/transport_manager/src/transport_adapter/threaded_socket_connection.cc
index 03e08691801..881ddfed11b 100644
--- a/src/components/transport_manager/src/transport_adapter/threaded_socket_connection.cc
+++ b/src/components/transport_manager/src/transport_adapter/threaded_socket_connection.cc
@@ -257,6 +257,10 @@ void ThreadedSocketConnection::Transmit() {
   poll_fds[1].events = POLLIN | POLLPRI;
 
   SDL_LOG_TRACE("poll " << this);
+  if (-1 == socket_) {
+    SDL_LOG_TRACE("Socket is closed.");
+    return;
+  }
   if (-1 == poll(poll_fds, kPollFdsSize, -1)) {
     SDL_LOG_ERROR_WITH_ERRNO("poll failed for connection " << this);
     Abort();